From a7b75c5a8c41445f33efb663887ff5f5c3b4454b Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 23 Jul 2020 08:09:07 +0200 Subject: net: pass a sockptr_t into ->setsockopt Rework the remaining setsockopt code to pass a sockptr_t instead of a plain user pointer. This removes the last remaining set_fs(KERNEL_DS) outside of architecture specific code. Signed-off-by: Christoph Hellwig Acked-by: Stefan Schmidt [ieee802154] Acked-by: Matthieu Baerts Signed-off-by: David S. Miller --- net/nfc/llcp_sock.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'net/nfc/llcp_sock.c') diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c index 6da1e2334bb6..d257ed3b732a 100644 --- a/net/nfc/llcp_sock.c +++ b/net/nfc/llcp_sock.c @@ -218,7 +218,7 @@ error: } static int nfc_llcp_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, unsigned int optlen) + sockptr_t optval, unsigned int optlen) { struct sock *sk = sock->sk; struct nfc_llcp_sock *llcp_sock = nfc_llcp_sock(sk); @@ -241,7 +241,7 @@ static int nfc_llcp_setsockopt(struct socket *sock, int level, int optname, break; } - if (get_user(opt, (u32 __user *) optval)) { + if (copy_from_sockptr(&opt, optval, sizeof(u32))) { err = -EFAULT; break; } @@ -263,7 +263,7 @@ static int nfc_llcp_setsockopt(struct socket *sock, int level, int optname, break; } - if (get_user(opt, (u32 __user *) optval)) { + if (copy_from_sockptr(&opt, optval, sizeof(u32))) { err = -EFAULT; break; } -- cgit v1.2.3